SB20260812430 - Use-after-free in Linux kernel amd amdgpu driver
Published: August 12, 2026
Security Bulletin ID
SB20260812430
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Use-after-free (CVE-ID: CVE-2026-68104)
CWE-ID: CWE-416 - Use After Free
CVSSv4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to a use-after-free in the amdgpu ACP power management domain cleanup logic when removing the ACP power domain. A local user can trigger the affected cleanup path to cause a denial of service.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/08fee493e0261f9e4120a5c8e7e42e8a723574e8
- https://git.kernel.org/stable/c/28c9b3c5dc35cc790d11e26ca3fc6e068be63998
- https://git.kernel.org/stable/c/5c0a82283271759fff445ac27182072f200a888c
- https://git.kernel.org/stable/c/930a5dc3df4aa5e10393134bd5313d616dbebaf6
- https://git.kernel.org/stable/c/bdfc7f1e0900ef1361b828c4f69b72701f8a0a86